Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8422901 | Image fixing apparatus stably controlling a fixing temperature, and image forming apparatus using the same | Kenji Ishii, Aldyasu Amita, Kenichi Hasegawa, Hiroshi Yokoyama, Satoshi Ueno | 2013-04-16 |
| 7925177 | Image fixing apparatus stably controlling a fixing temperature, and image forming apparatus using the same | Kenji Ishii, Akiyasu Amita, Kenichi Hasegawa, Hiroshi Yokoyama, Satoshi Ueno | 2011-04-12 |
| 7885571 | Image forming apparatus, fixing unit, and heating system capable of heating at increased speed with reduced power | — | 2011-02-08 |
| 7450872 | Fixing apparatus and an image formation apparatus | Satoshi Ueno | 2008-11-11 |
| 7313353 | Fixing unit with heat-resisting resin base member and image forming toner for use in the fixing unit | Masahiko Satoh, Masami Tomita, Setsuo Soga, Takahiro Yoshikawa, Toshiharu Hachisuka +3 more | 2007-12-25 |
| 7266336 | Fixing apparatus and an image formation apparatus | Satoshi Ueno | 2007-09-04 |
| 7239838 | Fixing apparatus and image formation apparatus using same | Masahiko Sato, Naoki Iwaya, Akira Shinshi | 2007-07-03 |
| 7127204 | Belt fixing unit with heat-resisting resin base member and image forming toner for use in the fixing unit | Masahiko Satoh, Masami Tomita, Setsuo Soga, Takahiro Yoshikawa, Toshiharu Hachisuka +3 more | 2006-10-24 |
| 6328155 | Transfer belt unit | Yoshitsugu Nakatomi, Tsuyoshi Todome, Koichi Hiruta | 2001-12-11 |
| 6229656 | Compound lens and optical system using compound lens | — | 2001-05-08 |
| 5956072 | Optical scanner, image forming apparatus and image forming apparatus assembling method | — | 1999-09-21 |
| 5267075 | Optical unit for use in laser beam printer apparatus | Masao Yamaguchi | 1993-11-30 |
| 5257138 | Optical unit for use in an image forming apparatus | Masao Yamaguchi, Kimiaki Furukawa, Yutaka Yoshida | 1993-10-26 |
| 5245481 | Optical unit and method of fixing optical elements in optical unit | Hiroshi Kaneko, Yutaka Yoshida, Kimiaki Furukawa | 1993-09-14 |
| 5239403 | Optical deflector device for deflecting laser beam | Takashi Shiraishi, Masao Yamaguchi, Naruhito Yoshida | 1993-08-24 |
| 5159193 | Optical unit for use in laser beam printer or the like with temperature expansion compensation | Takashi Shiraishi, Masao Yamaguchi, Naruhito Yoshida | 1992-10-27 |
| 5142404 | Optical unit for use in laser beam printer or the like | Takashi Shiraishi, Naruhito Yoshida, Masao Yamaguchi | 1992-08-25 |
| 5138477 | Light deflecting apparatus | Seiichiro Fushimi | 1992-08-11 |
| 5134511 | Optical unit for use in laser beam printer or the like | Takashi Shiraishi, Masao Yamaguchi, Naruhito Yoshida | 1992-07-28 |
| 5124830 | Optical deflector device for deflecting laser beam | Takashi Shiraishi, Naruhito Yoshida | 1992-06-23 |
| 5095383 | Optical unit for use in a laser beam printer or the like | Takashi Shiraishi | 1992-03-10 |